IEM :: Monthly Summaries

The following tables present IEM computed monthly data summaries based on daily data provided by or computed for the IEM. A download interface exists for the daily summary information. The climatology is provided by the nearest NCEI climate station (USC00218986) within the current 1991-2020 dataset.

To load shown data into Microsoft Excel, highlight the table information with your mouse and then copy/paste into Excel.

Precipitation Totals [inch]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1998	M	M	M	M	M	M	M	M	M	0.00	0.00	0.00
1999	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2000	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2001	0.00	0.00	0.00	4.15	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2002	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2003	0.00	0.00	0.00	0.00	0.00	0.00	0.01	0.00	0.05	0.01	0.00	0.25
2004	0.09	0.71	1.12	4.69	7.10	4.02	4.63	4.80	6.85	4.72	0.78	0.95
2005	0.95	0.86	1.18	6.23	3.55	8.48	1.24	3.55	9.35	10.26	1.89	0.59
2006	0.11	0.29	1.15	3.08	2.30	2.41	4.43	5.71	1.96	1.56	1.06	1.61
2007	1.09	0.35	2.76	1.59	2.79	2.22	3.55	4.88	6.16	6.28	0.10	0.09
2008	1.55	0.11	0.16	1.53	1.04	1.85	2.57	4.41	2.97	0.76	0.07	0.00
2009	0.00	0.21	0.93	0.27	0.33	0.89	1.84	4.90	0.27	3.65	0.00	0.17
2010	0.03	0.00	0.07	0.12	0.69	1.84	0.46	0.03	0.44	7.16	0.87	0.91
2011	0.19	0.08	0.66	3.04	6.39	2.82	4.32	5.52	0.82	1.26	0.08	0.23
2012	0.10	0.19	1.70	2.20	10.85	1.45	3.16	1.26	0.54	0.73	0.54	0.72
2013	0.52	0.19	1.29	2.23	3.38	4.84	1.30	1.73	4.53	4.13	0.67	0.38
2014	0.25	0.14	0.64	3.97	7.49	5.04	2.25	4.84	4.21	0.54	0.13	0.14
2015	M	M	0.17	0.90	2.60	3.96	4.39	4.94	2.32	0.74	0.97	0.24
2016	0.01	0.13	1.17	0.43	1.40	4.20	4.81	4.81	3.47	1.31	1.18	0.83
2017	0.23	0.61	0.24	2.26	3.49	4.67	3.69	5.20	2.13	4.34	0.58	0.26
2018	0.04	0.73	1.21	0.25	2.07	5.17	6.37	3.71	2.05	2.13	0.83	0.91
2019	0.10	0.61	0.91	2.26	5.59	4.06	4.59	3.20	4.43	3.12	0.74	1.04
2020	0.27	0.06	1.27	1.14	1.37	2.79	3.22	3.56	1.26	0.94	0.73	0.24
2021	0.14	0.19	2.11	1.25	2.37	0.82	1.75	1.66	4.55	1.61	0.97	1.41
2022	M	0.12	0.98	4.20	5.12	3.37	3.41	4.09	2.84	0.38	2.66	1.38
2023	0.68	1.30	1.53	2.57	0.87	1.68	1.23	2.13	7.98	3.09	0.09	1.55
2024	0.02	0.29	0.89	3.65	4.00	7.21	2.45	3.80	0.32	1.43	1.85	0.70
2025	0.18	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	0.83	1.06	1.55	2.98	4.02	4.19	4.22	4.01	3.48	3.21	1.62	1.27

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1998	M	M	M	M	M	M	M	M	M	4.7	7.2	6.3
1999	6.6	7.9	7.4	8.1	7.7	6.7	5.5	5.2	6.5	6.9	6.6	6.8
2000	6.0	6.7	7.0	8.3	7.4	6.8	5.8	5.8	7.0	5.9	7.5	6.0
2001	6.1	6.7	6.3	8.3	7.3	6.3	5.4	5.1	4.8	7.4	7.1	7.3
2002	5.9	8.5	7.7	8.3	7.8	6.8	4.8	5.3	5.3	5.7	6.0	6.8
2003	7.2	7.2	6.6	7.8	6.9	5.4	5.0	4.6	6.5	6.0	7.9	6.7
2004	6.2	5.6	7.5	7.4	7.7	6.3	4.8	5.2	7.1	6.3	5.6	7.6
2005	5.7	5.8	6.1	7.0	7.0	6.0	5.9	5.2	6.1	5.5	6.5	4.6
2006	6.7	6.1	6.1	7.1	7.3	5.3	5.3	4.8	5.2	7.3	5.8	6.4
2007	6.3	7.0	7.5	7.9	8.8	7.5	6.1	5.7	7.8	7.5	7.6	5.7
2008	5.9	5.4	6.0	8.7	7.7	7.1	6.3	5.8	6.6	6.9	7.0	6.7
2009	5.2	7.2	7.8	7.4	8.1	5.5	5.6	5.1	4.1	5.2	5.1	6.3
2010	5.1	4.6	6.1	7.2	6.1	5.0	4.8	5.4	5.8	6.1	7.5	6.5
2011	5.9	7.8	6.7	8.3	8.0	7.4	4.7	4.0	4.9	6.5	6.5	6.2
2012	7.1	6.6	7.4	7.3	6.9	5.1	4.4	4.2	4.8	6.3	6.5	4.7
2013	6.6	5.7	6.2	8.0	7.5	5.2	5.3	4.0	4.9	5.5	6.4	4.3
2014	6.1	5.7	6.0	7.4	5.1	4.9	4.4	2.6	4.2	5.1	6.2	5.4
2015	6.0	5.8	6.2	7.1	5.5	4.3	5.0	4.9	5.3	5.6	7.2	6.6
2016	5.5	7.0	6.2	8.2	5.1	5.2	4.2	3.4	5.7	5.3	5.2	7.5
2017	5.3	7.0	7.4	6.9	5.7	4.6	3.3	3.3	4.6	6.1	6.0	5.4
2018	6.0	5.5	5.0	6.4	4.6	4.5	3.2	3.1	4.3	5.2	5.6	5.4
2019	5.0	4.8	5.4	5.9	5.5	4.0	3.1	3.1	5.0	6.2	5.5	4.8
2020	5.1	5.5	6.5	6.8	6.0	6.1	4.2	4.3	4.9	6.0	6.3	5.0
2021	4.4	5.0	7.1	6.8	5.6	4.4	3.7	4.6	4.5	4.5	5.7	5.4
2022	5.9	6.6	6.6	8.4	6.5	5.7	4.4	4.2	4.2	5.5	6.1	5.7
2023	5.0	5.5	6.3	7.4	5.7	4.1	3.2	4.1	4.5	5.8	5.5	4.9
2024	5.1	5.7	6.7	7.3	5.6	5.2	3.8	3.9	4.0	5.8	6.0	5.6
2025	5.1	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	M	M	M	M	M	M	M	M	M	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1998	M	M	M	M	M	M	M	M	M	37.00	42.17	30.97
1999	17.87	33.25	42.39	56.07	68.45	74.97	85.90	80.10	72.77	60.97	48.23	42.26
2000	22.23	34.24	48.45	53.35	68.77	73.07	79.71	79.59	71.17	61.45	36.07	17.55
2001	26.43	18.88	34.81	54.55	67.23	76.13	82.73	81.64	67.79	55.55	51.26	31.57
2002	29.15	33.11	28.99	51.68	61.89	76.87	83.50	77.49	72.49	46.70	38.29	31.54
2003	22.06	22.80	38.68	56.23	67.80	77.27	84.15	87.72	74.26	62.25	40.45	30.76
2004	17.31	28.90	41.12	57.32	62.19	70.82	77.06	71.83	73.76	56.27	43.28	27.88
2005	21.61	32.45	39.61	59.66	62.14	78.02	81.47	78.68	73.16	58.88	42.26	24.45
2006	33.05	26.21	39.84	60.86	67.59	77.00	85.25	77.00	65.90	52.03	42.08	33.86
2007	25.03	20.75	43.44	54.50	71.43	78.98	83.91	79.03	74.06	62.19	41.12	23.70
2008	22.36	23.93	35.02	51.14	64.81	72.92	80.95	79.03	70.16	58.01	40.43	19.67
2009	15.51	27.35	38.75	55.27	68.15	73.65	76.28	75.30	73.92	47.07	48.45	22.38
2010	19.53	28.30	49.15	63.30	68.65	73.39	80.83	81.14	64.98	60.46	40.81	21.51
2011	15.78	25.47	35.34	52.58	65.03	74.40	83.12	77.84	68.17	61.47	43.94	32.12
2012	28.79	33.40	53.87	57.04	69.88	78.01	84.69	79.01	72.68	53.82	42.16	27.09
2013	22.60	24.84	32.74	45.22	65.29	73.49	79.17	80.84	73.21	53.84	38.50	15.75
2014	14.44	16.15	31.16	47.38	65.78	75.92	77.15	77.77	68.63	55.84	30.12	27.90
2015	23.50	17.52	43.42	57.36	66.15	75.44	79.82	76.83	73.33	57.95	47.14	33.09
2016	23.12	29.78	46.66	53.71	69.09	76.01	79.91	78.70	70.27	58.54	49.70	23.73
2017	24.92	36.11	40.31	55.86	64.97	76.40	80.00	73.23	71.60	57.16	37.53	21.41
2018	22.18	23.45	37.52	45.59	75.99	76.84	79.91	78.69	69.42	49.69	31.73	29.93
2019	17.39	19.70	35.27	51.95	63.02	75.36	79.67	75.43	70.76	51.05	33.60	27.84
2020	25.13	28.46	42.06	53.16	64.17	79.28	81.61	77.17	66.58	47.77	44.47	30.20
2021	25.20	17.32	46.52	53.57	66.78	81.74	80.95	79.21	72.71	59.83	41.41	30.24
2022	17.60	21.60	36.41	46.92	67.57	78.18	78.89	77.68	73.94	62.83	43.95	27.18
2023	29.12	33.12	38.90	54.34	76.91	85.10	84.88	82.20	73.69	56.65	43.99	37.16
2024	25.27	40.06	44.32	55.81	69.78	74.68	79.87	75.48	75.86	63.30	42.08	28.75
2025	21.35	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	22.29	27.49	40.40	55.30	68.50	77.60	82.10	79.90	71.60	57.31	40.70	27.40

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1998	M	M	M	M	M	M	M	M	M	30.00	26.03	12.19
1999	-0.13	15.61	21.84	34.10	47.52	55.13	63.16	57.61	48.77	37.10	27.83	13.52
2000	1.73	13.93	25.86	30.77	45.32	49.70	57.77	57.48	44.53	38.32	23.68	-0.94
2001	7.76	-3.39	15.71	34.63	46.14	55.70	60.31	57.80	46.51	35.21	32.20	16.58
2002	12.69	15.38	10.78	32.35	38.46	56.75	61.66	57.43	51.39	30.73	21.89	15.95
2003	4.95	1.66	17.33	32.64	42.81	52.90	59.39	60.05	49.15	39.34	24.19	18.54
2004	0.94	11.70	24.68	33.38	41.81	50.12	55.23	50.23	52.10	38.45	26.60	11.68
2005	4.83	16.89	19.57	36.32	43.90	57.62	60.05	55.34	51.56	38.79	25.34	13.54
2006	19.69	6.74	25.26	38.36	47.50	52.58	60.63	57.03	44.72	32.81	25.76	20.04
2007	10.52	3.59	25.21	32.36	47.74	55.70	60.39	55.40	50.06	44.60	25.64	6.45
2008	4.71	3.82	16.90	31.64	38.68	52.82	58.07	55.81	49.88	38.27	25.76	2.57
2009	-5.69	8.65	20.58	32.99	41.50	51.67	53.26	53.54	50.50	33.81	29.56	8.18
2010	0.91	6.78	28.10	38.22	44.92	54.74	61.02	61.58	45.68	37.38	24.39	6.07
2011	0.99	5.69	15.98	32.97	44.45	53.23	63.68	57.75	45.71	40.62	25.84	16.28
2012	10.84	18.28	35.20	35.66	48.58	55.78	62.71	53.21	43.29	33.68	24.94	10.75
2013	5.14	6.04	14.13	29.24	43.21	53.48	58.39	55.49	49.36	37.68	20.31	-2.14
2014	-7.47	-5.12	12.62	29.43	44.58	55.18	56.97	57.69	47.89	35.36	15.10	17.44
2015	8.93	-1.05	22.13	33.97	43.73	53.95	59.27	57.79	55.05	37.84	30.51	23.45
2016	7.62	14.01	29.09	34.84	44.31	55.49	59.74	58.58	52.38	39.95	31.64	14.20
2017	10.17	17.65	21.22	34.83	43.27	53.14	56.75	53.62	50.87	38.58	21.56	7.85
2018	3.73	0.56	18.74	22.67	48.85	56.59	57.92	56.95	50.21	33.92	19.01	16.55
2019	6.00	7.50	16.10	32.39	38.65	52.56	59.38	54.84	53.88	35.28	21.90	9.39
2020	9.66	6.52	26.08	31.04	45.12	56.60	60.28	56.96	45.50	31.81	26.87	12.82
2021	11.41	-1.13	27.10	33.56	43.70	57.78	57.08	56.85	47.79	41.89	24.69	10.83
2022	-4.23	-1.36	19.55	30.26	46.34	55.07	58.37	57.09	52.69	42.05	28.42	12.72
2023	16.77	11.79	19.99	36.93	51.30	60.23	59.28	60.45	54.04	40.23	25.87	25.96
2024	15.07	19.97	24.27	36.04	46.55	54.73	59.25	57.16	52.22	39.84	29.84	17.31
2025	6.50	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	-0.09	3.72	17.39	29.99	42.50	52.41	57.60	55.21	46.90	33.90	21.70	8.41

Average Daily Temperature (high+low)/2 [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1998	M	M	M	M	M	M	M	M	M	33.50	34.10	21.58
1999	8.87	24.43	32.11	45.08	57.98	65.05	74.53	68.85	60.77	49.03	38.03	27.89
2000	11.98	24.09	37.15	42.06	57.05	61.38	68.74	68.53	57.85	49.89	29.88	8.31
2001	17.09	7.75	25.26	44.59	56.68	65.91	71.52	69.72	57.15	45.38	41.73	24.07
2002	20.92	24.25	19.88	42.01	50.17	66.81	72.58	67.46	61.94	38.72	30.09	23.75
2003	13.51	12.23	28.00	44.44	55.30	65.09	71.77	73.88	61.71	50.79	32.32	24.65
2004	9.12	20.30	32.90	45.35	52.00	60.47	66.14	61.03	62.93	47.36	34.94	19.78
2005	13.22	24.67	29.59	47.99	53.02	67.82	70.76	67.01	62.36	48.84	33.80	18.99
2006	26.37	16.48	32.55	49.61	57.55	64.79	72.94	67.01	55.31	42.42	33.92	26.95
2007	17.77	12.17	34.32	43.43	59.58	67.34	72.15	67.22	62.06	53.40	33.38	15.07
2008	13.54	13.88	25.96	41.39	51.74	62.87	69.51	67.42	60.02	48.14	33.09	11.12
2009	4.91	18.00	29.66	44.13	54.82	62.66	64.77	64.42	62.21	40.44	39.00	15.28
2010	10.22	17.54	38.62	50.76	56.78	64.06	70.92	71.36	55.33	48.92	32.60	13.79
2011	8.39	15.58	25.66	42.78	54.74	63.81	73.40	67.79	56.94	51.04	34.89	24.20
2012	19.81	25.84	44.54	46.35	59.23	66.90	73.70	66.11	57.98	43.75	33.55	18.92
2013	13.87	15.44	23.44	37.23	54.25	63.48	68.78	68.17	61.28	45.76	29.40	6.81
2014	3.49	5.52	21.89	38.41	55.18	65.55	67.06	67.73	58.26	45.60	22.61	22.67
2015	16.22	8.24	32.78	45.66	54.94	64.70	69.54	67.31	64.19	47.89	38.83	28.27
2016	15.37	21.90	37.87	44.28	56.70	65.75	69.83	68.64	61.32	49.25	40.67	18.97
2017	17.54	26.88	30.77	45.34	54.12	64.77	68.37	63.43	61.24	47.87	29.54	14.63
2018	12.96	12.01	28.13	34.13	62.42	66.72	68.92	67.82	59.81	41.80	25.37	23.24
2019	11.70	13.60	25.68	42.17	50.83	63.96	69.53	65.14	62.32	43.16	27.75	18.61
2020	17.40	17.49	34.07	42.10	54.65	67.94	70.95	67.06	56.04	39.79	35.67	21.51
2021	18.30	8.10	36.81	43.56	55.24	69.76	69.02	68.03	60.25	50.86	33.05	20.53
2022	6.69	10.12	27.98	38.59	56.96	66.62	68.63	67.38	63.32	52.44	36.19	19.95
2023	22.95	22.45	29.45	45.64	64.11	72.66	72.08	71.32	63.87	48.44	34.93	31.56
2024	20.17	30.01	34.30	45.92	58.16	64.71	69.56	66.32	64.04	51.57	35.96	23.03
2025	13.93	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	11.10	15.60	28.89	42.64	55.50	65.00	69.85	67.55	59.25	45.60	31.20	17.90

Average Relative Humidity [%]

This value is computed via a simple average of available observations weighted by the duration between observations.

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1998	M	M	M	M	M	M	M	M	M	78.1%	78.6%	75.4%
1999	74.9%	75.7%	65.4%	67.5%	70.6%	74.6%	71.9%	74.6%	67.0%	57.8%	68.9%	76.6%
2000	76.4%	79.6%	70.0%	66.0%	69.9%	79.0%	80.0%	79.6%	69.2%	71.2%	86.0%	68.6%
2001	86.1%	78.0%	77.8%	74.4%	76.1%	82.3%	76.4%	82.0%	86.2%	75.7%	83.9%	76.5%
2002	76.4%	71.7%	65.5%	69.8%	63.1%	75.3%	78.4%	78.5%	78.5%	77.2%	71.1%	74.0%
2003	65.8%	66.9%	66.4%	59.1%	61.6%	69.4%	69.1%	66.3%	64.0%	62.0%	66.8%	77.2%
2004	73.6%	78.2%	77.3%	59.8%	68.8%	71.1%	76.7%	80.3%	78.3%	78.2%	77.3%	79.5%
2005	77.2%	78.1%	66.9%	62.0%	72.3%	74.1%	72.7%	73.1%	75.9%	78.0%	78.7%	85.2%
2006	81.4%	67.4%	71.4%	59.3%	69.1%	68.3%	66.5%	75.6%	77.7%	69.3%	75.9%	78.7%
2007	75.3%	67.6%	71.7%	56.0%	62.7%	64.6%	66.0%	71.1%	66.4%	67.0%	61.4%	76.6%
2008	68.9%	66.0%	60.6%	60.9%	55.6%	61.6%	64.5%	66.1%	72.7%	66.4%	73.9%	76.8%
2009	73.7%	72.6%	69.5%	56.9%	55.6%	68.6%	69.2%	76.0%	77.8%	83.2%	75.6%	76.9%
2010	77.6%	67.9%	67.9%	54.2%	64.7%	75.7%	74.5%	77.1%	77.6%	70.0%	74.3%	80.5%
2011	77.9%	73.3%	68.8%	67.8%	65.0%	71.9%	76.2%	77.9%	76.0%	67.3%	70.8%	76.2%
2012	76.3%	72.7%	71.0%	58.3%	66.1%	69.8%	73.8%	72.0%	61.5%	68.0%	74.1%	82.0%
2013	75.7%	75.8%	69.1%	68.1%	66.7%	74.9%	71.9%	71.8%	75.5%	77.9%	73.0%	79.6%
2014	71.4%	70.9%	67.8%	69.4%	66.0%	74.3%	72.4%	80.0%	78.1%	74.2%	77.1%	83.4%
2015	75.1%	66.1%	61.8%	54.9%	69.6%	73.1%	74.9%	78.9%	77.6%	75.4%	76.6%	85.9%
2016	79.6%	72.7%	73.5%	63.6%	62.5%	71.3%	76.0%	80.4%	79.6%	76.3%	78.5%	79.0%
2017	79.4%	69.7%	64.3%	68.3%	66.2%	68.6%	75.8%	80.8%	79.8%	73.5%	76.6%	76.0%
2018	74.8%	69.3%	65.5%	61.5%	59.0%	74.0%	75.9%	80.8%	78.8%	76.4%	77.3%	81.8%
2019	72.5%	77.4%	70.5%	67.9%	67.1%	67.9%	77.3%	76.1%	83.4%	72.4%	75.1%	81.3%
2020	79.5%	67.0%	70.1%	58.0%	60.5%	63.6%	74.8%	77.3%	76.1%	69.9%	72.8%	80.1%
2021	80.9%	70.4%	64.3%	65.7%	63.1%	63.0%	70.4%	71.9%	72.1%	78.7%	69.5%	77.9%
2022	71.6%	66.9%	65.3%	68.8%	62.8%	62.9%	74.2%	75.6%	74.0%	65.2%	72.9%	74.9%
2023	80.6%	69.8%	69.5%	65.1%	55.0%	63.6%	65.9%	71.1%	75.5%	73.3%	67.5%	79.4%
2024	76.7%	67.2%	54.5%	60.3%	63.3%	70.2%	72.5%	77.0%	75.1%	66.9%	83.6%	84.1%
2025	67.7%	M	M	M	M	M	M	M	M	M	M	M